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Circuit breaker and its arc extinguishing chamber and arcing contact assembly for arc extinguishing chamber, arcing contact driving rod

A technology of arcing contacts and arc extinguishing chambers, applied to high-voltage air circuit breakers, circuits, electrical components, etc., to achieve the effects of reducing costs, increasing moving speed, and shortening insulation establishment time

Active Publication Date: 2018-10-26
PINGGAO GRP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to provide an arc contact drive rod to solve the technical problem in the prior art that the moving speed of the arc contact can only be increased by increasing the output work of the operating mechanism; Arcing contact assembly for arc extinguishing chamber of contact drive rod, arc extinguishing chamber and circuit breaker using the arc extinguishing chamber

Method used

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  • Circuit breaker and its arc extinguishing chamber and arcing contact assembly for arc extinguishing chamber, arcing contact driving rod
  • Circuit breaker and its arc extinguishing chamber and arcing contact assembly for arc extinguishing chamber, arcing contact driving rod
  • Circuit breaker and its arc extinguishing chamber and arcing contact assembly for arc extinguishing chamber, arcing contact driving rod

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Embodiment Construction

[0027] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0028] Specific embodiments of the circuit breaker of the present invention, such as Figure 1 to Figure 6 As shown, the circuit breaker in this embodiment includes a breaking part, an operating and transmission part, and an insulating part. The breaking part includes a conductive and contact system and an arc extinguishing chamber. The difference of the circuit breaker is mainly in the structure of the arc extinguishing chamber, and other parts are the same as those of the circuit breaker in the prior art, and will not be repeated here.

[0029] The arc extinguishing chamber in this embodiment includes an arc extinguishing chamber bushing 1, and in the arc extinguishing chamber bushing 1, a static support 2 and a moving contact assembly arranged in the vertical direction are arranged, and the moving arc contact assembly includes a moving support 12. Th...

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Abstract

The invention relates to a circuit breaker and its arc extinguishing chamber, its arc contact assembly and arc contact transmission rod. The arc contact transmission rod includes a shift fork and an arc contact for driving the The rod body between the heads, the rod body is provided with a long drive slot for pushing and matching with the push post on the shift fork. The driving groove segment corresponding to the moving stroke has a chute segment inclined to the extending direction of the rod body so that the two ends of the driving groove segment are staggered in the extending direction of the rod body. The two ends of the driving groove section provided by the present invention are arranged staggered in the up and down direction, and the relative movement between the pushing boss and the driving long groove in the up and down direction can be used to effectively improve the moving speed of the arc contact assembly and shorten the The closing time shortens the insulation establishment time and improves the breaking capacity.

Description

technical field [0001] The invention relates to a circuit breaker, an arc extinguishing chamber, an arc contact assembly and an arc contact transmission rod for the arc extinguish chamber. Background technique [0002] With the rapid development of national economic construction and electric power science and technology, the degree of electrification of industry and life is high, and the requirements for power demand and power quality are increasing day by day. my country's energy is concentrated in the northwest and southwest regions, and the load centers are mainly located in the southeast coastal areas. In order to meet the requirements of high power demand and quality for the development of the country, the ultra-large-capacity high-voltage transmission system is to achieve optimal allocation of resources, improve line utilization and transmission power. It is a reliable and economical choice. As the equipment used in high-voltage transmission system, the circuit breaker...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H33/42H01H33/72
CPCH01H33/42H01H33/72H01H2033/028
Inventor 朱继斌朱秋楠张友鹏仝永刚孙珂珂马志华胡延涛门博熊萍萍
Owner PINGGAO GRP
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